Home / 109,450.76-164,518.62-72,249.96

Finding the Fourth Proportional to 109,450.76, 164,518.62 and 72,249.96

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Solution

The fourth proportional to 109,450.76, 164,518.62 and 72,249.96 is: 108,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,450.76 : 164,518.62 = 72,249.96 : x
  2. Step 2: Convert to fraction form
    109,450.76/164,518.62 = 72,249.96/x
  3. Step 3: Cross multiply
    109,450.76x = 164,518.62 × 72,249.96
  4. Step 4: Simplify right side
    109,450.76x = 11,886,463,714.26
  5. Step 5: Solve for x
    x = 11,886,463,714.26/109,450.76
  6. Step 6: Final answer
    x = 108,601.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.